Physics 5054 · O Level · Sound

Sound — practice question

Some medical procedures make use of ultrasound.
(a)[2]

Explain what is meant by ultrasound.

(b)[3]

Explain briefly how ultrasound is used in pre-natal scanning.

Worked solution & mark scheme

This 5-mark question has a full step-by-step worked solution and mark scheme. One marking point: “Ultrasound is a longitudinal pressure wave.” …

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